Question: Who are the members of the Grateful Dead?
Paraphrase: Who are the individuals of the Thankful Dead?
SPARQL (Wikidata):  select distinct ?sbj where { ?sbj wdt:P463 wd:Q212533 . ?sbj wdt:P31 wd:Q5 } 
Answer: Jerry Garcia, Mickey Hart, Bob Weir, Phil Lesh